火烧眉毛（火燒眉毛）　

◎ 火烧眉毛 huǒshāo-méimao

[a desperate situation;be extremely urgent as the fire is singeing one‘s eyebrows] 比喻事态十分严重

问:“如何是急切一句?”师曰:“火烧眉毛。”——宋· 释普济《蒋山法泉禅师》